EP0507744A3 - Data query system for databases - Google Patents

Data query system for databases Download PDF

Info

Publication number
EP0507744A3
EP0507744A3 EP19920830102 EP92830102A EP0507744A3 EP 0507744 A3 EP0507744 A3 EP 0507744A3 EP 19920830102 EP19920830102 EP 19920830102 EP 92830102 A EP92830102 A EP 92830102A EP 0507744 A3 EP0507744 A3 EP 0507744A3
Authority
EP
European Patent Office
Prior art keywords
databases
data query
query system
data
query
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19920830102
Other languages
English (en)
Other versions
EP0507744A2 (en
Inventor
Ezio Lefons
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0507744A2 publication Critical patent/EP0507744A2/en
Publication of EP0507744A3 publication Critical patent/EP0507744A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/245—Query processing
    • G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
    • G06F16/2468—Fuzzy queries

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Software Systems (AREA)
  • Probability & Statistics with Applications (AREA)
  • Computational Linguistics (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Devices For Executing Special Programs (AREA)
EP19920830102 1991-03-06 1992-03-04 Data query system for databases Withdrawn EP0507744A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRM910154A IT1244938B (it) 1991-03-06 1991-03-06 Sistema di interrogazione dei dati nelle basi e banche di dati.
ITRM910154 1991-03-06

Publications (2)

Publication Number Publication Date
EP0507744A2 EP0507744A2 (en) 1992-10-07
EP0507744A3 true EP0507744A3 (en) 1993-12-08

Family

ID=11399941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920830102 Withdrawn EP0507744A3 (en) 1991-03-06 1992-03-04 Data query system for databases

Country Status (3)

Country Link
US (1) US5398199A (it)
EP (1) EP0507744A3 (it)
IT (1) IT1244938B (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4430195B4 (de) * 1993-12-13 2004-09-23 Hewlett-Packard Co. (N.D.Ges.D.Staates Delaware), Palo Alto Verfahren zur Auswertung von Booleschen Ausdrücken
US5664172A (en) * 1994-07-19 1997-09-02 Oracle Corporation Range-based query optimizer
US5878419A (en) * 1996-01-19 1999-03-02 Novell, Inc. Method for creating a relational description of a formatted transaction
US5893094A (en) 1997-07-25 1999-04-06 Claritech Corporation Method and apparatus using run length encoding to evaluate a database
US6732094B1 (en) 1998-07-08 2004-05-04 Ncr Corporation Method and apparatus that evaluate an expression based upon database results
EP1059596A1 (en) * 1999-06-11 2000-12-13 International Business Machines Corporation Handling unknown properties in virtual market places
US7246111B1 (en) * 2000-06-30 2007-07-17 Ncr Corporation Capturing database system information
US6738756B1 (en) * 2000-06-30 2004-05-18 Ncr Corporation Analysis method and apparatus for a parallel system
US7447786B2 (en) * 2003-05-09 2008-11-04 Oracle International Corporation Efficient locking of shared data that is accessed for reads in a cluster database
FR2902913A1 (fr) * 2006-06-21 2007-12-28 France Telecom Procede et dispositif de codage d'une note de similarite semantique et spatiale entre concepts d'une ontologie memorisee sous forme de treillis numerote hierarchiquement
US9244793B1 (en) 2008-11-04 2016-01-26 Teradata Us, Inc. Using target database system statistics in emulation
US9171044B2 (en) * 2010-02-16 2015-10-27 Oracle International Corporation Method and system for parallelizing database requests
CN102402522A (zh) * 2010-09-09 2012-04-04 中国移动通信集团上海有限公司 数据查询系统及方法
US8412666B1 (en) 2010-12-27 2013-04-02 Michael S. Khvilivitzky Method for logical processing of continuous-valued logical signals
US8898188B2 (en) * 2011-06-07 2014-11-25 International Business Machines Corporation String analysis based on three-valued logic
US9734262B2 (en) * 2012-09-05 2017-08-15 Patrick DeLeFevre Method and system for understanding text
US9111012B2 (en) * 2012-11-26 2015-08-18 Accenture Global Services Limited Data consistency management
CN103488692B (zh) * 2013-09-02 2017-02-08 用友网络科技股份有限公司 数据查询系统和数据查询方法
EP3055825A4 (en) * 2013-10-11 2017-03-22 Midmore, Roger Methods and systems of four-valued monte carlo simulation for financial modeling
EP3195146A4 (en) * 2014-09-18 2018-04-18 Empire Technology Development LLC Three-dimensional latent semantic analysis
WO2017160863A1 (en) 2016-03-15 2017-09-21 Louisiana Tech Research Corporation Method and apparatus for constructing multivalued microprocessor
US10459810B2 (en) 2017-07-06 2019-10-29 Oracle International Corporation Technique for higher availability in a multi-node system using replicated lock information to determine a set of data blocks for recovery

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3827030A (en) * 1973-01-29 1974-07-30 Gulf & Western Industries Programmable controller using a random access memory
US4286330A (en) * 1976-04-07 1981-08-25 Isaacson Joel D Autonomic string-manipulation system
US4357678A (en) * 1979-12-26 1982-11-02 International Business Machines Corporation Programmable sequential logic array mechanism
JPH03248243A (ja) * 1990-02-26 1991-11-06 Nec Corp 情報処理装置

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ACM TRANSACTIONS ON DATA BASE SYSTEMS vol. 4, no. 4, December 1979, pages 397 - 394 E.F. CODD : 'Extending the Database Relational Model to Capture More Meaning' *
ELECTRONIC DESIGN vol. 30, no. 12, June 1982, HASBROUCK HEIGHTS, NEW JERSEY US pages 5539 - 5544 P. MOULDS : 'Dedicated machines take on data-base management' *
SIGMOD RECORD vol. 19, no. 1, March 1990, pages 29 - 35 G.H. GESSERT 'Four valued logic for relational database systems' *

Also Published As

Publication number Publication date
ITRM910154A1 (it) 1992-09-06
IT1244938B (it) 1994-09-13
ITRM910154A0 (it) 1991-03-06
EP0507744A2 (en) 1992-10-07
US5398199A (en) 1995-03-14

Similar Documents

Publication Publication Date Title
EP0541298A3 (en) Graphical data base query system
AU1122492A (en) Relational data base system
EP0507744A3 (en) Data query system for databases
AU8921191A (en) Parallel computer system
EP0495612A3 (en) A data access system
EP0423723A3 (en) Data retrieval system for relational database
AU3066292A (en) Computer travel planning system
GB9221215D0 (en) Database system
AU8297987A (en) Improved relational data base system
EP0444364A3 (en) Physical database design system
GB9126289D0 (en) Computer system
AU8010391A (en) Data transfer system
AU1487592A (en) Data transfer system
AU1520092A (en) A computer system
IL99747A0 (en) File-secure computer system
AU2671192A (en) Computer system with safeguarding
GB2241361B (en) Computer system
EP0280893A3 (en) Relational data base lock avoidance system
GB9125182D0 (en) Access system
AU664489B2 (en) Data transfer system
EP0447386A3 (en) Security system for computer system
GB9020888D0 (en) Computer system
AU1520192A (en) A computer system
GB9005916D0 (en) Computer system
GB2255428B (en) Cloakroom management system

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB IT NL

17P Request for examination filed

Effective date: 19940418

17Q First examination report despatched

Effective date: 19970617

18D Application deemed to be withdrawn

Effective date: 19971230